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F1_Ch11.4_判定相似三角形
Author:
timothyngyf
GeoGebra
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畫出對稱圖形
拼砌四邊形
判斷球體
三位數除以一位數（二）
四邉形 (四年級) 教師版
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包含除法（整數或分數 ÷ 分數）
cute panda
重心性質
Effects on Dispersion
Copy of 分數與小數
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Terms
Quadrilaterals
Addition
Probability
Parallelogram